Department of the Treasury vs Comptroller of the Currency

Department of the Treasury and Comptroller of the Currency both are nouns.

Word	Noun	Adjective	Verb	Adverb
Department of the Treasury	Yes	No	No	No
Comptroller of the Currency	Yes	No	No	No

Department of the Treasury (noun)	Comptroller of the Currency (noun)
the federal department that collects revenue and administers federal finances; the Treasury Department was created in 1789	the agency of the Treasury Department responsible for controlling the currency
	a United States federal official who regulates the national banks